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  #61  
Old 02-12-2012, 08:33 PM
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StihlMechanic StihlMechanic is offline
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Quote:
Originally Posted by piston slapper View Post
How are you going to pour an ultasonic cleaner into your tank?
Are they selling nanobots at NAPA?

You guys are omitting one very important step when using cleaning solvents on carbs.
The solvents eat the sealants around the welch plugs. If you don't reseal them,
The carb can flood and the welch plugs can fall out.
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I dont think you understood me. I was speaking about a carb cleaning vat, not a fuel additive.
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  #62  
Old 02-12-2012, 08:54 PM
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piston slapper piston slapper is offline
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Quote:
Originally Posted by StihlMechanic View Post
I dont think you understood me. I was speaking about a carb cleaning vat, not a fuel additive.


Yeah I knew what you were saying....I've got an ultrasonic cleaner myself...
I'm having a hard time believing that they don't make a welch plug sealant that works.
They are sealing them with something at the factory in china....
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  #63  
Old 02-12-2012, 08:59 PM
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Quote:
Originally Posted by StihlMechanic View Post
I dont think you understood me. I was speaking about a carb cleaning vat, not a fuel additive.

This thread is like YouTube, It started as a fuel additive discussion then turned into repairing carbs properly by tear-down cleaning.


I don't do nails so have no polish handy, I use a drop of high strength Loctite thread locker on welch plugs.....
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  #64  
Old 02-12-2012, 09:24 PM
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piston slapper piston slapper is offline
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Just tying up a few loose ends.....
They ran out of ways to defend the usefulness of the snake oils.
So I guess the coversation morphed into something they had a little more knowledge of.
I have been sealing welch plugs with nail polish since the 80's. (Still using the same bottle)
That's what they taught me to use at the Skil Factory Service Center.
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  #65  
Old 02-12-2012, 09:38 PM
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dutch1 dutch1 is online now
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Quote:
Originally Posted by StihlMechanic View Post
Fingernail polish for external plugs only. Nothing seals permanently to the internal welch plugs so IF and when I need to replace a plug I dont, I just replace the carb. Years ago, before ethanol, fingernail polish worked. With ethanol, nothing seals permanently and with carbs priced at 30 bucks msrp, it only makes sense just to replace it. The only repair I will do to an old carb is replace a stiff metering diaphragm or leaking inlet needle. Cant put alot of time in an old carb when labor rates are 75+ an hour.
Installing new welch plugs and sealing with super glue works just fine--never had any call backs. It doesn't take much--apply with a toothpick at the juncture of the plug and carb body only, then wipe off excess. I prefer the gel over the thin variety as you minimize the risk of it seeping past the welch plug into the ports below. I never did feel that finger nail polish was a good choice since it is lacquer based, therefore subject to carbon based compounds.
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  #66  
Old 02-12-2012, 10:13 PM
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dutch1 dutch1 is online now
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Well, Slapper, I see I missed you by a few minutes and you missed another loose end. I do think you are correct on the finger nail polish being recommended--seem to recall reading it in Walbro repair info. I attended an Echo update in the early 90's and the tech then was recommending super glue. I do recall when ethanol came on the scene, I seemed to find a lot of loose, crinkly sealant around the welch plugs and even displaced welch plugs--don't know what the OEM's were using.

Rob, the HD locktite probably is a good choice that I'll have to give a try. On the other hand, it's good to know that I'm not the only "two stroke joke" or are you referring to welch plugs in general.
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  #67  
Old 02-12-2012, 11:09 PM
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Quote:
Originally Posted by dutch1 View Post
are you referring to welch plugs in general.

In general Dutch...... 2 strokes never satisfied me, Not enough moving parts.....
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You never learn anything until you admit you don't know it all...

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  #68  
Old 02-13-2012, 09:48 PM
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ed2hess ed2hess is online now
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I guess I missed the food fight that was going on.....think I will sign off and post todays results with Mechanic in a bottle somewhere else. .
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  #69  
Old 02-18-2012, 08:51 PM
jdunk jdunk is offline
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i dont want to read through all the posts.
i just want to add that snake oil will likley
clean out your wallet fast.
fresh gas proper oil mix is all you need
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  #70  
Old 02-18-2012, 09:41 PM
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cgaengineer cgaengineer is offline
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Quote:
Originally Posted by jdunk View Post
i dont want to read through all the posts.
i just want to add that snake oil will likley
clean out your wallet fast.
fresh gas proper oil mix is all you need
Not possible, if it comes in a nice aluminum can and costs a fortune it has to be good.
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